AnalogIn_t AnalogIn_Init(PinName pin_name) {
// Check if the global initialization is needed.
if (!(PMC->PMC_PCER0 & ADC_POWER_BITMASK)) {
ADC_Init();
}
AnalogIn_t analog_in = AnalogIn_Get(pin_name);
// Set the pin bit function
Pin_t pin = Pin_Get(pin_name);
Pin_Input(pin);
Pin_Mode(pin, PullNone);
Pin_Mode(pin, PD);
return analog_in;
}
/* This example turns all 4 leds on and then off */
int main(void) {
// Access 4 leds predefined as LED1, LED2, LED3, LED4
Pin_t leds[] = {
Pin_Init(LED1, 1, Output),
Pin_Init(LED2, 1, Output),
Pin_Init(LED3, 1, Output),
};
int nleds = 3;
Pin_t button = Pin_Init(SW1, 1, Output);
Pin_Input(button),
Pin_Mode(button, PullUp);
// Get the sensor enabler
Pin_t enabler = Pin_Init(LED_EN, 1, Output);
Pin_Output(enabler),
Pin_On(enabler);
// Get AnalogIns
uint32_t sensors[] = {
AnalogIn_Get(SENS0),
AnalogIn_Get(SENS1),
AnalogIn_Get(SENS2),
AnalogIn_Get(SENS3),
AnalogIn_Get(SENS4) };
int nsensors = 5;
while (1) {
if (Pin_Read(button) == SW_ON) {
Pin_Off(leds[2]);
} else {
Pin_On(leds[2]);
}
if (AnalogIn_Read(sensors[0]) > 0) {
Pin_Off(leds[1]);
} else {
Pin_On(leds[1]);
}
/* for (i = 0; i < nleds; i++) {
Pin_On(leds[i]);
Delay(0.2);
}
for (i = 0; i < nleds; i++) {
Pin_Off(leds[i]);
Delay(0.2);
}*/
}
}
I2C_t I2C_Init(uint8_t port, uint8_t address, I2CMode mode) {
if (port > 2) Show_Error();
Pin_t sda = Pin_Get(sdas[port]);
Pin_t scl = Pin_Get(scls[port]);
// Set function
Pin_Mode(sda, modes[port]);
Pin_Mode(scl, modes[port]);
// Set input mode
Pin_Mode(sda, PullNone);
Pin_Mode(scl, PullNone);
Pin_Mode(sda, OpenDrain);
Pin_Mode(scl, OpenDrain);
// Give power to the device
LPC_SC->PCONP |= (uint32_t)(1 << power_bit[port]);
// Store initialization values
if (mode == I2CMaster) {
_set_clock(port, 100000);
} else {
i2c_devs[port]->I2ADR0 = (uint32_t) address;
}
// Enable
//i2c_devs[port]->I2CONSET = I2C_I2CONSET_I2EN;
i2c_devs[port]->I2CONSET = I2C_I2CONSET_I2EN | I2C_I2CONSET_AA;
//i2c_devs[port]->I2CONCLR = (I2C_I2CONCLR_STOC | I2C_I2CONCLR_STAC | I2C_I2CONCLR_SIC | I2C_I2CONCLR_AAC);
// Clear Stop, Start, SI
i2c_devs[port]->I2CONCLR = (I2C_I2CONCLR_STOC | I2C_I2CONCLR_STAC | I2C_I2CONCLR_SIC );
uint8_t state = i2c_devs[port]->I2CONSET;
// Return the I2C device
I2C_t device = { port, address, mode };
return device;
}
